diff options
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/mman.h | 1 | ||||
| -rw-r--r-- | arch/mips/include/asm/system.h | 15 | ||||
| -rw-r--r-- | arch/mips/include/asm/unistd.h | 15 |
3 files changed, 19 insertions, 12 deletions
diff --git a/arch/mips/include/asm/mman.h b/arch/mips/include/asm/mman.h index a2250f3..c892bfb 100644 --- a/arch/mips/include/asm/mman.h +++ b/arch/mips/include/asm/mman.h @@ -75,6 +75,7 @@ #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ +#define MADV_HWPOISON 100 /* poison a page for testing */ /* compatibility flags */ #define MAP_FILE 0 diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h index fcf5f98..83b5509 100644 --- a/arch/mips/include/asm/system.h +++ b/arch/mips/include/asm/system.h @@ -12,6 +12,7 @@ #ifndef _ASM_SYSTEM_H #define _ASM_SYSTEM_H +#include <linux/kernel.h> #include <linux/types.h> #include <linux/irqflags.h> @@ -193,10 +194,6 @@ extern __u64 __xchg_u64_unsupported_on_32bit_kernels(volatile __u64 * m, __u64 v #define __xchg_u64 __xchg_u64_unsupported_on_32bit_kernels #endif -/* This function doesn't exist, so you'll get a linker error - if something tries to do an invalid xchg(). */ -extern void __xchg_called_with_bad_pointer(void); - static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) { switch (size) { @@ -205,11 +202,17 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz case 8: return __xchg_u64(ptr, x); } - __xchg_called_with_bad_pointer(); + return x; } -#define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) +#define xchg(ptr, x) \ +({ \ + BUILD_BUG_ON(sizeof(*(ptr)) & ~0xc); \ + \ + ((__typeof__(*(ptr))) \ + __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))); \ +}) extern void set_handler(unsigned long offset, void *addr, unsigned long len); extern void set_uncached_handler(unsigned long offset, void *addr, unsigned long len); diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index 8c9dfa9..65c679e 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -355,16 +355,17 @@ #define __NR_rt_tgsigqueueinfo (__NR_Linux + 332) #define __NR_perf_event_open (__NR_Linux + 333) #define __NR_accept4 (__NR_Linux + 334) +#define __NR_recvmmsg (__NR_Linux + 335) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 334 +#define __NR_Linux_syscalls 335 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 334 +#define __NR_O32_Linux_syscalls 335 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -666,16 +667,17 @@ #define __NR_rt_tgsigqueueinfo (__NR_Linux + 291) #define __NR_perf_event_open (__NR_Linux + 292) #define __NR_accept4 (__NR_Linux + 293) +#define __NR_recvmmsg (__NR_Linux + 294) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 293 +#define __NR_Linux_syscalls 294 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 293 +#define __NR_64_Linux_syscalls 294 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -981,16 +983,17 @@ #define __NR_rt_tgsigqueueinfo (__NR_Linux + 295) #define __NR_perf_event_open (__NR_Linux + 296) #define __NR_accept4 (__NR_Linux + 297) +#define __NR_recvmmsg (__NR_Linux + 298) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 297 +#define __NR_Linux_syscalls 298 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 297 +#define __NR_N32_Linux_syscalls 298 #ifdef __KERNEL__ |